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High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 8:03 pm AKDT May 20, 2026
Forecast Valid: 11pm AKDT May 20, 2026-6pm AKDT May 27, 2026

...SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT...

Synopsis: A 976 mb low 25 nm E of Atka moves to 60 nm SE of Cape Newenham at 992 mb Thu afternoon and continues inland by Fri morning.

Overnight

WNW wind 50 to 60 km/h. A chance of rain. Seas 2 to 3 m.

Thursday

W wind 45 to 50 km/h, with gusts as high as 60 km/h. A chance of showers, mainly before 10am. Seas around 3 m.

Thursday Night

W wind around 40 km/h, with gusts as high as 55 km/h. A slight chance of showers between 10pm and 1am. Seas around 2 m.

Friday

W wind 30 to 35 km/h decreasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 50 km/h. Partly sunny. Seas around 2 m.

Friday Night

NW wind 15 to 20 km/h increasing to 25 to 30 km/h in the evening. A chance of rain. Seas around 2 m.

Saturday

N wind 25 to 30 km/h. Scattered showers before 10am. Seas around 1 m.

Saturday Night

NNW wind 15 to 25 km/h becoming NE after midnight. A chance of showers after 4am. Seas around 1 m.

Sunday

ENE wind 30 to 40 km/h increasing to 50 to 60 km/h in the morning. Showers likely. Seas around 2 m.

Sunday Night

NNE wind around 70 km/h, with gusts as high as 85 km/h. Showers. Seas around 2 m.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.

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